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epsilon (Rev #2, changes)

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Description

epsilon(x) returns a nearly negligible number relative to 1.

Standard

(削除) Fortran 95 and later (削除ここまで)(追記) Fortran 95 (追記ここまで)(追記) and later (追記ここまで)

Class

Inquiry function

Syntax

result = epsilon(x)

Arguments

• x - The type shall be real.

Return value

The return value is of same type as the argument.

Example

program test_epsilon
 real :: x = 3.143
 real(8) :: y = 2.33
 print *, epsilon(x)
 print *, epsilon(y)
end program test_epsilon

Revision from April 30, 2009 22:41:02 by Jason Blevins

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